more cli commands

DotNetSolutionTools.CLI/Program.cs

@@ -13,6 +13,8 @@ app.Configure(config =>
     config.AddCommand<FormatCsprojCommand>("format-csproj");
     config.AddCommand<TreatWarningsAsErrorsCommand>("warnings-as-errors");
     config.AddCommand<ClearBinObjCommand>("clear-bin-obj");
+    config.AddCommand<UpdateProjectToNet80Command>("update-csproj-net80");
+    config.AddCommand<UpdateSlnToNet80Command>("update-sln-net80");
 });
 
 var instance = MSBuildLocator.QueryVisualStudioInstances().OrderByDescending(instance => instance.Version).First();